Jeep Commander 5.7 Hemi Stage 1 Remap
On Jeep Commander 5.7 Hemi naturally aspirated engines a Stage 1 remap refines the ignition timing, fuelling and throttle response maps. Without a turbo the power gain is smaller than on turbocharged engines; the difference is felt mostly in throttle response and the mid-range. No hardware is changed and the original software is backed up.
It depends on the generation and the stock output. 5.7 Hemi engines with 330–357 bhp reach 350–375 bhp with a Stage 1 remap; the largest gain is +20 bhp (5.7 Hemi V8 330hp). Pick your version in the table below.
Jeep Commander 5.7 Hemi: Stage 1 figures by generation and year
Year / chassis: 2006 - 2010
| Engine | Power | Torque | Gain |
|---|---|---|---|
| Jeep Commander 5.7 Hemi V8 330hp | 330 → 350 bhp | 500 → 520 Nm | +20 bhp |
| Jeep Commander 5.7 Hemi V8 357hp | 357 → 375 bhp | 527 → 545 Nm | +18 bhp |